Michael D Patterson, MD

Chirag Shah, MD Chirag Shah, MD, is a radiation oncologist and the division chair of Radiation Oncology at AHN Cancer Institute. He has extensive experience using radiation to treat patients with a variety of cancers, tailoring treatment plans to meet each individual’s needs. Dr. Shah specializes in radiosurgery and stereotactic body radiotherapy, with clinical interests in breast cancer, sarcoma, and bone metastasis. Chirag Shah went to medical school at Northeast Ohio Medical University in Rootstown, Ohio and completed his residency at William Beaumont University Hospital in Royal Oak, Michigan. Dr. Shah is certified by the American Board of Radiology in Radiation Oncology. He is affiliated with the American Society of Clinical Oncology and the American Brachytherapy Society. Dr. Shah welcomes patients ages 18 and older.

Dr. Klobuka is an interventional radiologist (IR) at Allegheny Health Network, a physician who combines personalized patient consultation with advanced imaging guidance to perform minimally-invasive procedures. He utilizes advanced technology to navigate patients' arteries and veins from within to treat a wide variety of diseases including liver cancer, blood clots, arterial blockages, bleeding, uterine fibroids, and portal hypertension. He also perform biopsies and ablation of tumors in the liver, kidney, lung, and bone using specialized non-invasive equipment. Fellowship: Allegheny Health Network - Vascular and Interventional Radiology. Residency: University of Pittsburgh Medical Center - Diagnostic Radiology. Board: American Board of Radiology Organization: Society of Interventional Radiology He sees patients at Allegheny General, Wexford, West Penn, Forbes and Grove City Hospitals. He offers both in-person and virtual visits. He also has interest in treating venous disease (including deep vein thrombosis and venous insufficiency), spinal fractures using kyphoplasty, lower extremity arterial disease, and liver cancer including hepatocellular carcinoma and liver metastases using Yttrium-90 radio-embolization. Dr. Klobuka is an advocate for patient access to the minimally invasive techniques and advanced technology that interventional radiology offers which allow for improved outcomes including faster recovery times, less risk, less pain, and better quality of life for numerous conditions. Dr. Klobuka is an advocate for patient access to the minimally invasive techniques and advanced technology that interventional radiology offers which allow for improved outcomes including faster recovery times, less risk, less pain, and better quality of life for numerous conditions.

Dr. Leonardo is board-certified in neurosurgery and fellowship-trained in intraventricular and skull base neuroendoscopy. She specializes in the diagnosis and surgical treatment of disorders of the central and peripheral nervous system including hydrocephalus, intraventricular tumors, pituitary and skull base tumors, brain tumors, trauma, infections of the brain and spine, stroke, and other diseases of the spine. She has particular interest in minimally invasive endoscopic brain and pituitary surgical techniques as well as the surgical management of adult hydrocephalus.